+afiltergroup4:
+ uuid: zzzzz-j7d0g-filtergroupfour
+ owner_uuid: zzzzz-tpzed-xurymjxw79nv3jz
+ created_at: 2014-04-21 15:37:48 -0400
+ modified_by_client_uuid: zzzzz-ozdt8-brczlopd8u8d0jr
+ modified_by_user_uuid: zzzzz-tpzed-xurymjxw79nv3jz
+ modified_at: 2014-04-21 15:37:48 -0400
+ updated_at: 2014-04-21 15:37:48 -0400
+ name: A filter group with an exists collections filter
+ group_class: filter
+ properties:
+ filters: [["collections.properties.listprop","exists",true],["uuid", "is_a", "arvados#collection"]]
+
+afiltergroup5:
+ uuid: zzzzz-j7d0g-filtergroupfive
+ owner_uuid: zzzzz-tpzed-xurymjxw79nv3jz
+ created_at: 2014-04-21 15:37:48 -0400
+ modified_by_client_uuid: zzzzz-ozdt8-brczlopd8u8d0jr
+ modified_by_user_uuid: zzzzz-tpzed-xurymjxw79nv3jz
+ modified_at: 2014-04-21 15:37:48 -0400
+ updated_at: 2014-04-21 15:37:48 -0400
+ name: A filter group with a contains collections filter
+ group_class: filter
+ properties:
+ filters: [["collections.properties.listprop","contains","elem1"],["uuid", "is_a", "arvados#collection"]]
+